YAMAHA F250D Outboard Motor Manuals

Manuals and User Guides for YAMAHA F250D Outboard Motor. We have 3 YAMAHA F250D Outboard Motor manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha F250D Service Manual (576 pages)

Brand: Yamaha | Category: Engine | Size: 58.58 MB

Table of Contents

3
- General Information
  5
  - Safety While Working
    6
    
    Electric Shock
    6
    
    Handling of Gasoline
    6
    
    Hot Part
    6
    
    Propeller
    6
    
    Rotating Part
    6
    
    Ventilation
    6
    
    Handling of Gas Torch
    7
    
    Part, Lubricant, and Sealant
    7
    
    Self-Protection
    7
    
    Working with Crane
    7
    
    Disassembly and Assembly
    8
    
    Handling of Sealant
    8
    
    Non-Reusable Part
    8
    
    Special Service Tool
    8
    
    Tightening Torque
    8
  - How to Use this Manual
    9
    
    Manual Format
    9
    
    Abbreviation
    10
  - Lubricant, Sealant, and Thread Locking Agent
    12
    
    Symbol
    12
  - Special Service Tool
    14
Spec Specification 1

22
- Fuel System
  22
- Specification
  22
- Model Feature
  
  24
  - General Feature
    24
  - Model Designation
    25
  - Serial Number
    25
- Model Data
  
  26
  - Dimension and Weight
    26
  - Performance
    26
  - Power Unit
    27
  - Bracket Unit
    28
    
    Fuel and Oil Requirement
    29
    
    Battery Requirement
    30
    
    PTT Fluid Requirement
    30
- Electrical System Technical Data
  
  31
  - Lower Unit
    28
  - Ignition Timing Control System
    31
  - Fuel Injection Control System
    33
  - Engine Speed Control System
    34
  - VCT System
    35
  - PTT System
    36
  - Shift Actuator
    36
  - Charging System
    37
  - Starting System
    37
  - Gauge/Sensor
    38
- Fuel System Technical Data
  
  40
- Power Unit Technical Data
  
  41
  - Power Unit
    41
  - Cylinder Head Assembly
    42
  - Crankcase Assembly
    44
- Lower Unit Technical Data
  
  47
  - Lower Unit Assembly (Regular Rotation Model)
    47
  - Lower Unit Assembly (Counter Rotation Model)
    47
- Bracket Unit Technical Data
  
  48
  - PTT System
    48
- Specified Tightening Torque
  
  49
  - Rigging Information
    49
  - Fuel System
    49
  - Power Unit
    49
  - Lower Unit (Regular Rotation Model)
    50
  - Lower Unit (Counter Rotation Model)
    51
  - Bracket Unit
    51
  - PTT Unit
    52
- General Tightening Torque
  
  53
Tech Fea Technical Features and Description 2

55
- Tech Fea
  55
- Technical Features and Description
  
  56
- Electronic Control System
  
  56
  - Engine ECM Component
    57
  - Sensor, Switch, and Actuator
    58
  - Electronic Fuel Injection Control
    60
  - Ignition Timing Control
    63
  - VCT Control
    65
  - Knock Control
    66
  - Engine Speed Control
    67
  - ETV Control
    69
  - Electronic Shift Control System
    70
  - Fail-Safe Control
    71
  - Charging System
    73
  - Digital Network Control
    74
  - Sensor, Switch
    76
- Y-Cop
  
  77
- Power Unit System
  
  78
  - Shimless Valve Lifter
    79
  - Sleeveless Cylinder
    79
  - Oil Cooler
    80
- Fuel System
  
  81
  - Fuel Diagram
    81
- Lubrication System
  
  83
  - Lubrication Diagram
    83
- Cooling System
  
  84
  - Cooling Diagram
    84
- Intake and Exhaust System
  
  86
  - Intake and Exhaust Diagram
    86
- Lower Unit
  
  87
Rig Ging Rigging Information 3

90
- Rig Ging
  90
- Rigging Information
  
  92
- Outboard Motor Installation
  
  92
- Dimension
  
  93
  - Exterior: F(L)225F, F(L)250D, F(L)300B
    93
  - Clamp Bracket
    94
- Crate Top Cover Pictograph Description
  
  95
- Uncrating Procedure
  
  96
- Outboard Motor Mounting
  
  97
- Rigging Grommet Mounting
  
  99
  - Rigging Grommet Description
    99
  - Installing the Main Harness
    99
  - Installing the Battery Cable
    100
  - Installing the Rigging Grommet
    100
- Optional Equipment
  
  101
- Installing Y-COP (Optional in Non-European Markets)
  
  103
  - Registering the Receiver ID to the ECM
    103
- Installing the Digital Electronic Control Box and Switch Panel
  
  103
- Battery Installation
  
  106
  - Battery Wiring Without House (Accessory) Battery
    106
  - Battery Wiring with House (Accessory) Battery
    108
- Digital Network System Diagram
  
  112
- Digital Electronic Control System Reset
  
  120
Trbl Shtg Troubleshooting 4

125
- Trbl Shtg
  125
- Troubleshooting
  
  126
- Ydis
  
  126
  - Feature
    126
  - Hardware Requirement
    126
  - Function
    127
  - Connecting the Communication Cable to the Outboard Motor
    129
- Troubleshooting the Power Unit
  
  130
Elec Electrical System 5

162
- Electrical Component
  
  164
  - Port
    164
  - Starboard
    165
  - Fuse Holder
    166
  - Rear
    168
  - Front
    169
  - Top
    170
  - Bottom Cowling
    171
- Electrical System
  
  164
- Wiring Harness Routing
  
  172
  - Port
    172
  - Starboard
    173
  - Rear
    176
  - Front
    177
  - Top
    178
  - Bottom Cowling
    179
- Circuit Diagram
  
  180
- ECM Coupler Layout
  
  182
- Checking the Electrical Component
  
  184
  - Using the YDIS
    184
  - Measuring the Peak Voltage
    184
  - Using the Digital Tester
    185
- Engine Control Unit and Component
  
  185
  - Checking the Main Relay
    185
  - Checking the Engine ECM Circuit
    186
  - Checking the ETV and TPS
    187
  - Checking the ETV Motor Relay
    188
  - Checking the ETV (TPS) Circuit
    188
  - Checking the SPS
    189
  - Checking the Shift Actuator Relay
    190
  - Checking the Shift Actuator
    190
  - Checking the SPS and Shift Actuator Circuit
    191
  - Checking the Cam Position Sensor
    192
  - Checking the OCV
    195
  - Checking the Oil Pressure Sensor
    196
- Fuel Control Unit and Component
  
  197
- Charging Unit and Component
  
  203
  - Checking the Lighting Coil (Stator Assembly)
    203
  - Checking the Rectifier Regulator
    205
- Ignition Unit and Component
  
  208
  - Checking the Ignition Spark
    208
  - Checking the Ignition Coil
    209
  - Checking the Pulser Coil
    210
  - Checking the Air Temperature Sensor
    211
  - Checking the Air Pressure Sensor
    212
  - Checking the Engine Temperature Sensor
    213
  - Checking the Thermoswitch
    214
  - Checking the Knock Sensor
    215
  - Checking the Engine Shut-Off Switch
    215
- Starting Unit and Component
  
  216
- Starter Motor
  
  219
  - Removing the Starter Motor
    221
  - Checking the Starter Motor Operation
    221
  - Checking the Magnet Switch
    221
  - Checking the Starter Motor Pinion
    221
  - Disassembling the Starter Motor
    222
  - Checking the Armature (Starter Motor)
    223
  - Checking the Brush Holder
    224
  - Assembling the Starter Motor
    224
  - Installing the Starter Motor
    226
- 6Y9 Multifunction Color Gauge Sensor
  
  226
  - Checking the Water Pressure Sensor (Optional)
    226
  - Checking the Speed Sensor (Optional)
    227
- Outboard Motor and Digital Electronic Control Connection
  
  228
  - Checking the Extension Wiring Harness
    228
  - Checking the Main Wiring Harness
    228
- PTT Electrical System
  
  229
  - Checking the PTT Relay
    229
  - Checking the PTT Switch (Bottom Cowling)
    231
  - Checking the Trim Sensor
    232
Fuel Fuel System 6

234
- Hose Routing
  
  236
  - Fuel Hose and Blowby Hose
    236
  - Vapor Gas Hose
    237
  - Cooling Water Hose
    239
- Fuel System
  
  236
- Fuel System
  
  240
  - Reducing the Fuel Pressure
    241
  - Disconnecting the Quick Connector
    241
  - Measuring the Fuel Pressure
    242
  - Checking the Pressure Regulator
    243
- Fuel Filter Assembly
  
  245
- Intake Manifold
  
  249
  - Removing the Intake Silencer
    250
  - Removing the Intake Manifold
    250
  - Checking the Intake Manifold
    251
  - Installing the Intake Manifold
    251
  - Installing the Intake Silencer
    253
- Throttle Body
  
  257
- Canister
  
  260
  - Removing the Canister
    261
  - Checking the Canister
    261
  - Checking the Canister Check Valve
    261
  - Installing the Canister
    262
- Low-Pressure Fuel Pump
  
  264
- Vapor Separator
  
  269
  - Draining the Fuel
    270
  - Removing the Vapor Separator
    270
  - Checking the Vapor Shut-Off Valve
    271
  - Installing the Vapor Separator
    271
  - Disassembling the Vapor Separator
    274
  - Checking the High-Pressure Fuel Pump
    275
  - Checking the Vapor Separator
    275
  - Checking the Check Valve
    275
  - Assembling the Vapor Separator
    275
- Fuel Injector
  
  278
  - Removing the Fuel Injector
    279
  - Checking the Fuel Rail
    279
  - Installing the Fuel Injector
    279
Powr Power Unit 7

281
- Power Unit (Check and Adjustment)
  
  284
  - Checking the Compression Pressure
    284
  - Checking the Oil Pressure
    284
  - Checking the Pulser Coil Air Gap
    284
  - Checking the Valve Clearance
    285
  - Adjusting the Valve Clearance
    287
  - Removing the Power Unit
    291
  - Installing the Power Unit
    293
- Power Unit
  
  284
- Flywheel Magnet
  
  298
  - Removing the Flywheel Magnet
    298
  - Installing the Flywheel Magnet
    298
- Wiring Harness
  
  301
  - Removing the Wiring Harness
    301
  - Installing the Wiring Harness
    303
- Junction Box
  
  308
  - Removing the Rectifier Regulator
    311
  - Removing the Junction Box
    311
  - Installing the Junction Box
    311
  - Installing the Rectifier Regulator
    312
- Starter Motor
  
  314
  - Removing the Starter Motor
    314
  - Installing the Starter Motor
    314
- Engine ECM
  
  316
  - Removing the Engine ECM
    316
  - Installing the Engine ECM
    316
- Shift Actuator
  
  318
- Timing Belt
  
  321
  - Removing the Timing Belt
    321
  - Checking the Timing Belt
    322
  - Installing the Timing Belt
    322
- Camshaft
  
  327
  - Removing the Driven Sprocket and Camshaft
    328
  - Checking the Sprocket
    330
  - Checking the Valve Lifter
    330
  - Checking the Camshaft
    330
  - Checking the Spark Plug
    331
  - Installing the Camshaft and Driven Sprocket
    331
- Cylinder Head
  
  336
  - Removing the Cylinder Head
    338
  - Disassembling the Cylinder Head
    338
  - Checking the Cylinder Head
    338
  - Checking the Cylinder Head Bolt
    339
  - Checking the Valve Spring
    339
  - Checking the Valve
    339
  - Checking the Valve Guide
    340
  - Replacing the Valve Guide
    340
  - Checking the Valve Seat
    341
  - Refacing the Valve Seat
    342
  - Checking the Cylinder Head Anode
    343
  - Assembling the Cylinder Head
    343
  - Installing the Cylinder Head
    345
- Oil Cooler and Oil Pump Assembly
  
  349
  - Removing the Oil Filter Bracket
    349
  - Removing the Oil Cooler
    349
  - Removing the Oil Pump Assembly
    349
  - Disassembling the Oil Pump Assembly
    349
  - Checking the Oil Pump Assembly
    350
  - Checking the Oil Cooler
    350
  - Checking the Oil Cooler Anode
    350
  - Assembling the Oil Pump Assembly
    350
  - Installing the Oil Pump Assembly
    351
  - Installing the Oil Cooler
    351
  - Installing the Oil Filter Bracket
    352
- Cylinder Block Sensor and Switch
  
  353
  - Removing the Pulley Bracket
    355
  - Removing the Knock Sensor
    355
  - Removing the Thermostat
    355
  - Checking the Thermostat
    355
  - Installing the Thermostat
    356
  - Installing the Knock Sensor
    356
  - Installing the Pulley Bracket
    356
  - Disassembling the Cylinder Block
    360
  - Checking the Piston Diameter
    361
  - Checking the Cylinder Bore
    361
  - Checking the Piston Ring
    361
  - Checking the Piston Ring End Gap
    362
  - Checking the Piston Ring Groove
    362
  - Checking the Piston Ring Side Clearance
    362
  - Checking the Piston Pin Boss Inside Diameter
    362
  - Checking the Piston Pin Diameter
    363
  - Checking the Connecting Rod Small End Inside Diameter and Big End Inside Diameter
    363
  - Checking the Connecting Rod Big End Side Clearance
    363
  - Checking the Crankshaft
    364
  - Checking the Crankcase Bolt
    364
  - Checking the Crankpin Oil Clearance
    365
  - Selecting the Crankpin Bearing
    366
  - Crankpin Bearing Selection Table
    368
  - Checking the Crankshaft Journal Oil Clearance
    369
  - Selecting the Crankshaft Journal Bearing
    370
  - Crankshaft Journal Bearing Selection Table
    372
  - Checking the Cylinder Block Anode
    373
  - Assembling the Cylinder Block
    373
Lowr Lower Unit 8

376
- Checking the Propeller
  382
- Disassembling the Propeller
  382
- Removing the Lower Unit
  382
- Assembling the Propeller
  383
- Checking the Lower Unit Anode
  383
- Lower Unit
  
  384
- (Regular Rotation Model, U-Transom Model)
  
  385
  - Removing the Lower Unit
    387
  - Disassembling the Propeller
    387
  - Checking the Propeller
    387
  - Checking the Lower Unit Anode
    387
  - Assembling the Propeller
    387
  - Removing the Water Pump and Shift Rod
    390
  - Disassembling the Water Pump Housing
    390
  - Checking the Water Pump and Shift Rod
    391
  - Assembling the Water Pump Housing
    391
  - Removing the Propeller Shaft Housing Assembly
    395
  - Disassembling the Propeller Shaft Assembly
    396
  - Disassembling the Reverse Gear
    396
  - Disassembling the Propeller Shaft Housing Assembly
    396
  - Checking the Propeller Shaft
    397
  - Checking the Dog Clutch
    397
  - Checking the Propeller Shaft Housing
    397
  - Checking the Reverse Gear
    397
  - Assembling the Propeller Shaft Assembly
    397
  - Assembling the Reverse Gear
    398
  - Assembling the Propeller Shaft Housing Assembly
    398
- Drive Shaft and Lower Case (Regular Rotation Model)
  
  401
  - Removing the Drive Shaft
    402
  - Removing the Forward Gear
    402
  - Disassembling the Oil Seal Housing
    402
  - Disassembling the Drive Shaft
    402
  - Disassembling the Forward Gear
    403
  - Disassembling the Lower Case
    404
  - Checking the Pinion
    404
  - Checking the Forward Gear
    404
  - Checking the Drive Shaft
    404
  - Checking the Lower Case
    404
  - Assembling the Drive Shaft
    404
  - Assembling the Forward Gear
    406
  - Assembling the Lower Case
    406
  - Assembling the Oil Seal Housing
    407
  - Installing the Forward Gear
    407
  - Installing the Drive Shaft
    407
  - Installing the Propeller Shaft Housing Assembly
    408
  - Installing the Shift Rod
    410
  - Installing the Water Pump
    410
  - Checking the Lower Unit for Air Leakage
    411
  - Installing the Lower Unit (X-Transom Model)
    412
  - Installing the Lower Unit (U-Transom Model)
    413
- Shimming (Regular Rotation Model)
  
  415
- Lower Unit
  
  440
  - Removing the Lower Unit
    443
  - Disassembling the Propeller
    443
  - Checking the Propeller
    443
  - Checking the Lower Unit Anode
    443
  - Assembling the Propeller
    443
- Lower Unit
  
  444
  - Removing the Lower Unit
    446
  - Disassembling the Propeller
    446
  - Checking the Propeller
    446
  - Checking the Lower Unit Anode
    446
  - Assembling the Propeller
    446
- Water Pump and Shift Rod (Counter Rotation Model)
  
  447
- Propeller Shaft Housing (Counter Rotation Model)
  
  450
- Drive Shaft and Lower Case (Counter Rotation Model)
  
  455
  - Removing the Drive Shaft
    457
  - Removing the Reverse Gear
    457
  - Disassembling the Oil Seal Housing
    457
  - Disassembling the Drive Shaft
    457
  - Disassembling the Reverse Gear
    457
  - Disassembling the Lower Case
    457
  - Checking the Pinion
    457
  - Checking the Reverse Gear
    457
  - Checking the Drive Shaft
    457
  - Checking the Lower Case
    457
  - Assembling the Lower Case
    458
  - Assembling the Oil Seal Housing
    458
  - Install the Reverse Gear
    458
  - Installing the Drive Shaft
    458
  - Installing the Propeller Shaft Housing Assembly
    458
  - Installing the Shift Rod
    459
  - Installing the Water Pump
    459
  - Checking the Lower Unit for Air Leakage
    459
  - Installing the Lower Unit (X-Transom Model)
    459
  - Installing the Lower Unit (U-Transom Model)
    459
- Shimming (Counter Rotation Model)
  
  460

Yamaha F250D Owner's Manual (110 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 5.32 MB

Important Manual Information
3
Table of Contents
5
Safety Information

8
- Outboard Motor Safety
  8
  - Propeller
    8
  - Rotating Parts
    8
  - Hot Parts
    8
  - Electric Shock
    8
  - Power Trim and Tilt
    8
  - Engine Shut-Off Cord (Lanyard)
    8
  - Gasoline
    8
  - Gasoline Exposure and Spills
    9
  - Carbon Monoxide
    9
  - Modifications
    9
- Boating Safety
  9
  - Alcohol and Drugs
    9
  - Personal Flotation Devices (Pfds)
    9
  - People in the Water
    9
  - Passengers
    9
  - Overloading
    9
  - Avoid Collisions
    10
  - Weather
    10
  - Passenger Training
    10
  - Boating Safety Publications
    10
  - Laws and Regulations
    10
General Information

11
- Identification Numbers Record
  11
- EC Declaration of Conformity (Doc)
  12
- CE Marking
  12
- Compliance Mark and Manufactured Date Label
  13
- Read Manuals and Labels
  14
  - Warning Labels
    14
Specifications and Requirements

17
- Specifications
  17
- Installation Requirements
  19
  - Boat Horsepower Rating
    19
  - Mounting Outboard Motor
    19
  - Yamaha Security System
    19
- Digital Electronic Control Requirements
  19
- Battery Requirements
  20
  - Battery Specifications
    20
  - Mounting Battery
    20
  - Multiple Batteries
    20
- Propeller Selection
  20
  - Counter Rotation Models
    21
- Start-In-Gear Protection
  21
- Engine Oil Requirements
  21
- Fuel Requirements
  22
  - Gasoline
    22
- Anti-Fouling Paint
  23
- Outboard Motor Disposal Requirements
  23
- Emergency Equipment
  23
- Emission Control Information
  23
  - Star Labels
    24
Components

26
- Components Diagram
  26
Instruments and Indicators

40
- 6Y9 Multifunction Color Gauge
  40
  - YAMAHA SECURITY SYSTEM Indicator
    40
  - Engine Warm-Up Indicator
    40
  - Engine Synchronization Indicator
    40
  - Overheat Alert
    41
  - Low Oil Pressure-Alert
    41
  - Water Separator Alert
    42
  - Low Battery Voltage-Alert
    42
  - Engine Trouble Alert
    42
- 6Y8 Multifunction Meters
  43
- 6Y8 Multifunction Tachometers
  43
  - Yamaha Security System Information
    44
  - Low Oil Pressure-Alert
    45
  - Overheat Alert
    45
  - Water Separator Alert
    46
  - Engine Trouble Alert
    46
  - Low Battery Voltage-Alert
    47
- 6Y8 Multifunction Speed & Fuel Meters
  47
- 6Y8 Multifunction Speedometers
  48
- 6Y8 Multifunction Fuel Management Meters
  49
- Optional Meters
  49
Engine Control System

51
- Alert System
  51
  - Digital Electronic Control Alert
    51
  - Overheat Alert
    51
  - Low Oil Pressure Alert
    52
  - Water Separator Alert
    53
Installation

55
- Mounting the Outboard Motor
  55
Operation

57
- First-Time Operation
  57
  - Filling Engine Oil
    57
  - Breaking in Engine
    57
  - Getting to Know Your Boat
    57
- Checks before Starting Engine
  58
  - Fuel Level
    58
  - Removing Top Cowling
    58
  - Fuel System
    58
  - Controls
    59
  - Engine Shut-Off Cord (Lanyard)
    59
  - Engine Oil
    59
  - Outboard Motor
    60
  - Flushing Device
    60
  - Installing Top Cowling
    60
  - Checking Power Trim and Tilt System
    62
  - Battery
    62
- Filling Fuel
  63
- Operating Engine
  63
  - Sending Fuel
    63
  - Starting Engine
    63
- Checks after Starting Engine
  66
  - Cooling Water
    66
- Warming up Engine
  66
  - Electric Start Models
    66
- Checks after Engine Warm up
  66
  - Shifting
    66
  - Stop Switches
    66
- Stopping Boat
  67
- Trolling
  67
  - Adjusting Trolling Speed
    67
- Stopping Engine
  68
  - Procedure for Stopping Engine
    68
- Trimming Outboard Motor
  69
  - Adjusting Trim Angle (Power Trim and Tilt)
    69
  - Adjusting Boat Trim
    70
- Tilting up and down
  71
  - (Power Trim and Tilt Models)
    71
  - (Power Trim and Tilt Models)
    72
- Shallow Water
  73
  - Cruising in Shallow Water
    73
- Operating in Other Conditions
  74
Maintenance

75
- Transporting and Storing Outboard
  75
  - Motor
    75
  - Storing Outboard Motor
    75
  - Procedure
    75
  - Lubrication
    76
  - Flushing Cooling Water Passage
    76
  - Checking Painted Surface of Outboard Motor
    77
- Periodic Maintenance
  77
  - Replacement Parts
    77
  - Severe Operating Conditions
    77
  - Maintenance Chart 1
    79
  - Maintenance Chart 2
    81
  - Greasing
    82
  - Inspecting Spark Plug
    83
  - Inspecting Engine Idle Speed
    84
  - Changing Engine Oil
    85
  - Inspecting Wiring and Connectors
    90
  - Inspecting Propeller
    91
  - Removing Propeller
    91
  - Installing Propeller
    92
  - Changing Gear Oil
    93
  - Inspecting and Replacing Anode(S)
    94
  - Checking Battery (for Electric Start Models)
    95
  - Connecting the Battery
    96
  - Disconnecting the Battery
    97
  - Storing the Battery
    97
Trouble Recovery

98
- Troubleshooting
  98
  - Procedure for Tilting up (Twin Engines)
    101
- Temporary Action in Emergency
  101
  - Impact Damage
    101
  - Replacing Fuse
    102
    
    Operate
    103
    
    Blinks While Cruising
    103
- Treatment of Submerged Motor
  105
Index

106

Yamaha F250D Owner's Manual (83 pages)

Yamaha Motor Owner Manual

Brand: Yamaha | Category: Outboard Motor | Size: 4.82 MB

To the Owner
3
Table of Contents
4
General Information

7
- Identification Numbers Record
  7
  - Outboard Motor Serial Number
    7
  - Key Number
    7
- Emission Control Information
  7
  - North American Models
    7
  - Star Labels
    8
- Safety Information
  9
- Important Labels
  10
  - Warning Labels
    10
- Basic Boating Rules (Rules of the Road)
  11
- Fueling Instructions
  14
  - Gasoline
    15
  - Engine Oil
    15
- Battery Requirement
  16
  - Battery Specifications
    16
- Propeller Selection
  16
- Start-In-Gear Protection
  17
Basic Components

18
- Main Components
  18
  - Remote Control
    18
  - Remote Control Lever
    19
  - Neutral Interlock Trigger
    19
  - Neutral Throttle Lever
    19
  - Free Accelerator
    20
  - Throttle Friction Adjuster
    20
  - Engine Stop Lanyard Switch
    21
  - Main Switch
    21
  - Power Trim and Tilt Switch on Remote Control or Tiller Handle
    22
  - Power Trim and Tilt Switch on Bottom Engine Cowling
    22
  - Power Trim and Tilt Switches (Twin Binnacle Type)
    23
  - Trim Tab with Anode
    23
  - Tilt Support Lever for Power Trim and Tilt or Hydro Tilt Model
    24
  - Top Cowling Lock Lever (Pull up Type)
    24
  - Flushing Device
    24
  - Digital Tachometer
    25
  - Low Oil Pressure Warning Indicator
    25
  - Overheat Warning Indicator (Digital Type)
    25
  - Speedometer (Digital Type)
    26
  - Trim Meter (Digital Type)
    26
  - Hour Meter (Digital Type)
    27
  - Trip Meter
    27
  - Clock
    27
  - Fuel Gauge
    28
  - Fuel Warning Indicator
    28
  - Low Battery Voltage Warning Indicator
    28
  - Fuel Management Meter
    29
  - Fuel Flow Meter
    29
  - Fuel Consumption Meter
    30
  - Fuel Economy
    30
  - Twin-Engine Speed Synchronizer
    30
  - Water Separator Warning Indicator
    31
- Warning System
  31
  - Overheat Warning (Twin Engines)
    31
  - Low Oil Pressure Warning
    32
Operation

34
- Installation
  34
  - Mounting the Outboard Motor
    34
- Breaking in Engine
  35
  - Procedure for 4-Stroke Models
    35
- Preoperation Checks
  36
  - Fuel
    36
  - Controls
    36
  - Engine
    36
  - Checking the Engine Oil Level
    36
- Filling Fuel
  36
  - Ring Free Fuel Additive
    37
- Operating Engine
  37
  - Feeding Fuel
    37
  - Starting Engine
    37
- Warming up Engine
  39
  - Manual Start and Electric Start Models
    39
- Shifting
  40
  - Forward (Tiller Handle and Remote Control Models)
    40
  - Reverse (Automatic Reverse Lock and Power Trim and Tilt Models)
    40
- Stopping Engine
  41
  - Procedure
    41
- Trimming Outboard Motor
  41
  - Adjusting Trim Angle
    42
  - Adjusting Boat Trim
    43
- Tilting up and down
  43
  - Procedure for Tilting up
    44
  - Procedure for Tilting down
    45
- Cruising in Shallow Water
  46
  - Power Trim and Tilt Models / Power Tilt Models
    46
- Cruising in Other Conditions
  47
Maintenance

48
- Specifications
  48
- Transporting and Storing Outboard Motor
  49
  - Storing Outboard Motor
    49
  - Procedure
    50
  - Lubrication (Except Oil Injection Models)
    51
  - Cleaning and Anticorrosion Measures
    51
  - Battery Care
    51
  - Flushing Power Unit
    52
  - Cleaning the Outboard Motor
    53
  - Checking Painted Surface of Motor
    53
- Periodic Maintenance
  53
  - Replacement Parts
    53
  - Maintenance Chart
    54
  - Maintenance Chart (Additional)
    55
  - Greasing
    56
  - Cleaning and Adjusting Spark Plug
    57
  - Checking Fuel System
    58
  - Inspecting Fuel Filter
    59
  - Cleaning Fuel Filter
    59
  - Changing Engine Oil
    60
  - Checking Wiring and Connectors
    62
  - Exhaust Leakage
    62
  - Water Leakage
    62
  - Engine Oil Leakage
    62
  - Checking Power Trim and Tilt System
    62
  - Checking Propeller
    63
  - Removing the Propeller
    64
  - Installing the Propeller
    64
  - Changing Gear Oil
    65
  - Inspecting and Replacing Anode(S)
    66
  - Checking Battery (for Electric Start Models)
    66
  - Connecting the Battery
    67
  - Disconnecting the Battery
    68
  - Checking Top Cowling
    68
  - Coating the Boat Bottom
    69
Trouble Recovery

70
- Troubleshooting
  70
- Temporary Action in Emergency
  73
  - Impact Damage
    73
  - Running Single Engine
    73
  - Replacing Fuse
    74
  - Power Trim and Tilt / Power Tilt will Not Operate
    75
- Treatment of Submerged Motor
  75
  - Procedure
    75
Consumer Information

76

YAMAHA Categories

Motorcycle Musical Instrument Electronic Keyboard Receiver Amplifier

More YAMAHA Manuals

YAMAHA F250D Outboard Motor Manuals

Yamaha F250D Service Manual (576 pages)

Table of Contents

Table of Contents

Spec Specification 1

Model Feature

Model Data

Electrical System Technical Data

Fuel System Technical Data

Power Unit Technical Data

Lower Unit Technical Data

Bracket Unit Technical Data

Specified Tightening Torque

General Tightening Torque

Tech Fea Technical Features and Description 2

Technical Features and Description

Electronic Control System

Y-Cop

Power Unit System

Fuel System

Lubrication System

Cooling System

Intake and Exhaust System

Lower Unit

Rig Ging Rigging Information 3

Rigging Information

Outboard Motor Installation

Dimension

Crate Top Cover Pictograph Description

Uncrating Procedure

Outboard Motor Mounting

Rigging Grommet Mounting

Optional Equipment

Installing Y-COP (Optional in Non-European Markets)

Installing the Digital Electronic Control Box and Switch Panel

Battery Installation

Digital Network System Diagram

Digital Electronic Control System Reset

Trbl Shtg Troubleshooting 4

Troubleshooting

Ydis

Troubleshooting the Power Unit

Elec Electrical System 5

Electrical Component

Electrical System

Wiring Harness Routing

Circuit Diagram

ECM Coupler Layout

Checking the Electrical Component

Engine Control Unit and Component

Fuel Control Unit and Component

Charging Unit and Component

Ignition Unit and Component

Starting Unit and Component

Starter Motor

6Y9 Multifunction Color Gauge Sensor

Outboard Motor and Digital Electronic Control Connection

PTT Electrical System

Fuel Fuel System 6

Hose Routing

Fuel System

Fuel System

Fuel Filter Assembly

Intake Manifold

Throttle Body

Canister

Low-Pressure Fuel Pump

Vapor Separator

Fuel Injector

Powr Power Unit 7

Power Unit (Check and Adjustment)

Power Unit

Flywheel Magnet

Wiring Harness

Junction Box

Starter Motor

Engine ECM

Shift Actuator

Timing Belt

Camshaft